Answer:is there a picture along with this? I don't remember how to do these but this sounds like something with a picture included
Step-by-step explanation:
 
        
             
        
        
        
Well I'm doing it an easy way but 50% or half of 698 is about 350.
475 is slightly above 350 so the answer would be 68%
        
             
        
        
        
I think it is yz but I and not completely sure
        
                    
             
        
        
        
Answer:
x = 99,53633682
Step-by-step explanation:
sin(34) = x/178
x = sin(34)×178
x = 99,53633682